Romney Seeks Traction in Swing States

For Mitt Romney, good news came Friday with word that President Barack Obama had added a stop to his travel schedule next week. For the first time this election season, Mr. Obama will campaign in Wisconsin, a confirmation that the traditionally Democratic state is now in play.

Mr. Romney could use more such tactical victories. A series of polls in recent weeks has shown that he is not solidifying support in many of the states he...